Home / 19,988,107.34-27,583,650.24-10,820,728.22

Finding the Fourth Proportional to 19,988,107.34, 27,583,650.24 and 10,820,728.22

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Solution

The fourth proportional to 19,988,107.34, 27,583,650.24 and 10,820,728.22 is: 14,932,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,107.34 : 27,583,650.24 = 10,820,728.22 : x
  2. Step 2: Convert to fraction form
    19,988,107.34/27,583,650.24 = 10,820,728.22/x
  3. Step 3: Cross multiply
    19,988,107.34x = 27,583,650.24 × 10,820,728.22
  4. Step 4: Simplify right side
    19,988,107.34x = 298,475,182,562,577.75
  5. Step 5: Solve for x
    x = 298,475,182,562,577.75/19,988,107.34
  6. Step 6: Final answer
    x = 14,932,638.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.